Drinking vessel



FIG. 1 is a perspective view of the drinking vessel.

FIG. 2 is a front view.

FIG. 3 is a right side view.

FIG. 4 is a left side view.

FIG. 5 is a back side view; and,

FIG. 6 is a top view.

The ornamental design for a drinking vessel, as shown and described.